TY - RPRT TI - Making Small-Volume Heat Pump Water Heaters Larger: A Design Framework for Integrated Phase Change Material Heat Exchangers AU - Blackley, Erin [National Laboratory of the Rockies, Golden, CO (United States)] AU - Freeman, Thomas [National Laboratory of the Rockies, Golden, CO (United States)] AU - Foster, Kyle [National Laboratory of the Rockies, Golden, CO (United States)] AU - Tabares-Velasco, Paulo [Colorado School of Mines] PY - 2026 DO - 10.2172/3015024 UR - https://www.osti.gov/biblio/3015024 ID - 3015024 ER -